Milling-machine.



A. L. DE LEEUW.

MILLING MACHINE.

AYPLIGATION FILED SEPT. 11,1908.

Patented July 13, 1909.

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. A. L. DE LBEUW.

MILLING MACHINE. APPLICATION FILED SEPT. 11, 190B.

Patented July 13, 1909.

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STATES? PATENT OFFICE. 4

ADO PH L. DELEEUW, or HAMILTON, OHIO, ASSIGNOR TO THE CINCINNATI MILLING I Y MACHINE COMPANY, OF CINCINNATI, OHIO, A CORPORATION.

' MILLING4MACI-IINE.

Specification of Letters Patent.

Patented July 13, 1909.

To all whom it may concern:

Be'it known that I, ADOLPH L. De Lnnuw,

I acitizen of the United States, residing at Hamilton, in the county of Butler and State of Ohio, have invented certain new and useful Im rovements :In Mllhng-Machines, of

which t e followinmis a specification.

. My invention re ates to milling'machines.

j The object of the invention is toproduce a special tool of this general character, particularly designed andadapted for the quick performance of a iven piece of work.

.. A tool of this 0 aracter is in requisition in shops in which a great number of similar j obs is called for, and hence the machine need have no provision for quick adjustments for a wide range of work, or the various other refinements essential in the standard milling machine. Being thus able to eliminate so much ofthe complex and conventional milling machine mechanism, I am able to concentrate my efforts in the direction of se curing superior sim licity, and compact and powerful structura elements having convenlent provision for rapidly changing the,

work from one job to another, as well as provision for very rapidly and efficiently performing each particular job.

It is, therefore, my chief design to organize the feed elements so that a more compact and rigid structure may be employed for the operating parts and the power directly applied to the work in the machine organization.

Other features of my invention relate to a simple and convenient arbor adjustment in relation to the drive. Also, to certain improvements in the feed and various other structural improvements which will be more particularly pointed out subsequently.

To this end my invention primarily aims to produce one solid bed to which the table is directly gibbed in a vertical plane, so as to make a vertical stroke with reference to the cutter. This arrangement not only permits the cuttings to fall clear of the table movements, but it renders it unnecessary to provide the vertical adjustment of the s indle, and it also avoids any joints and ho dslthe work constantly and rigidly inthe vertical plane of the table movement. Further, this arrangement involves very little floor space comparatively and enables me to use an oil pan to the best advantage. My organization also enables me to employ a table feed and a quick return drive independently driven from the spindle and the main countershaft respectively.

I also provide means for longitudinally adjusting the spindle in a compact and rigid bearing closely disposed to the bed, the transmission from the driving shaft of the machine preferably being longitudinally adjustable with the s indie.

I also preferab y employ belt types of drive for the main pulley of the driving shaft andfrom thespindle to the feed shaft and throw in and out the power automatically by actuating belt tension mechanism. The spindle is also horizontally adjustable on the bed, the belt type of drive with the adjustable belt tension mechanism permitting of this adjustment without any inconvenience.

The details of the belt drive for the main driving shaft with its provision for accommodating the horizontal adjustment of the head-stock, and the means for automatically tripping the belt tension are not made subj cot-matter of this specification.

The various features of my invention are more fully set forth in the description of the accompanying drawings, forming a part of I this invention, in which Figure 1 is a front elevation of my milling machine. Fig. 2 is a section on line :0, as, Fig. 1 of the frame. Fig. 3 is a top plan view of the machine. Fig. 4 is a side elevation of the same.

1 represents the base of the machine frame,

which is provided with a marginal flange 2, extended upon two sides thereof forming a trough 3 within the base, to receive the oil drippings and cuttings.

and adjusted in the same manner as the tail I stock.

The head-stock 10 is provided with a bore to receive the spindle sleeve 23. Said T head-stock is split and provided with the ears 12, 13, for frictionally clamping the.

sleeve 23 in position by means of the bolts 14.

15 represents a vertical column formed in tegral with the base 1 in a position rearward and between the head and tail-stock columns 8 and 4.

16 represents a carriage or work supporting table gibbed to the front face 17 of the column 15. The carriage is provided with means for vertically feeding the same by hand or power. 7

The spindle is driven as follows :19 represents a pulley fixed upon the shaft 20, said shaft being journaled in the head-stock 10 and receiving motion by means of a belt, (shown in dotted lines, Fig. 4), in connection with a suitable countershaft above, not shown. 21 re resents a gear splined to shaft 20 in mesh wit a gear 22 fixed to the spindle 11; said spindle in this instance is preferably journaled in a sleeve 23. dle, gears 21 and 22 moving together 1n a horizontal adjustment of the spindle to and from the tail-stock. 24 represents a belt tightener for the belt driving pulley 19. 25 represents a pulley fixed on shaft 20 carrying a elt to transmit motion to pulley 26 j0urnaled upon a swinging quadrant 27 and carrying a gear 28 in mesh with a gear 29 fixed to a shaft 30 for driving the table or carriage feeding means. Bymounting pulley '26 and gear 28 upon a quadrant the belt can be tightened to suit conditions and relatively to the adjustment of the head-stock.

While it is obvious that various means may The sleeve, spinbe employed for driving and adjusting the spindle relative to the tail-stock other than that shown, as well as the power drive forv feeding thetable, the form shown is preferable in providing a simple and owerful drive, but the essential features of this invention being in adjustably mounting the headstock, tail-stock and table upon a compact and rigid structure in which the head-stock and tail-stock lie in a horizontal plane and the carriage in a vertical plane. The tailstock 6 is preferably formed of two sections, the upper portion carrying the arbor being secured to a base plate 31, said base plate being secured to the column, which con, struction enables the removal of the upper portion of the tail-stock for inserting andremoving the cutter, arbor and the like, without displacing the adjusted alinement with the head-stock.

Having described my invention, I claim In a machine of the class ClESCIlbGdiCOII]: prising a horizontal bed, a head and tailstock horizontally adjustable upon the bed, spindles in said head and tail-stock, a portion of the bed being vertically extended 'between the spindles and formed with a vertical gib-way, a table engaging the gib-way, and a feed mechanism in said vertical bed structure for operating said table.

In testimony whereof, I have hereuntoset my hand.

' ADOLPH LL DE LEEUW.1 Witnesses :1

OLIVER 'B. KAISER, 'LUIsE BECK. 

